> -Q and later use the current method, which is like the above except> the second hump is discarded, as it is a function of the scheduling> latency and the period size rather than just the scheduling latency:> > http://krustophenia.net/testresults.php?dataset=2.6.9-rc1-Q6> > So, don't be fooled by the numbers, the newest version of the patch is> in fact the best. I have been meaning to go back and measure the> current patches with the old code but it's pretty low priority...

vanilla kernel 2.6.8.1 would be quite interesting to get a few charts of- especially if your measurement methodology has changed. There's notmuch sense in re-testing older VP patches.

also, has the userspace workload you are using stayed constant duringall these tests?